Medical capsule

Abstract

A medical capsule, comprising an enclosure, the enclosure comprising an opening at one end along an axial direction; a PCB group and a functional unit which are arranged inside the enclosure; wherein the PCB group comprises a plurality of PCBs which are connected through flexible printed circuits and are spaced from each other, and the functional unit comprises a battery unit electrically connected to the PCB; and a pressure detection unit, comprising a pressure transmission film assembled at the opening, a pressure sensor positioned in the enclosure, and a pressure collecting and processing circuit board electrically connected to the pressure sensor, wherein the pressure collecting and processing circuit board is connected to one of the PCBs through a flexible printed circuit. The medical capsule is simple in structure, easy to equip and allows for expansion of functions as needed.

1 . A medical capsule comprising:
 an enclosure, comprising an opening at one end along an axial direction;   a PCB group and a functional unit which are arranged inside the enclosure, wherein the PCB group comprises a plurality of PCBs which are connected through flexible printed circuits and are spaced from each other, and wherein the functional unit comprises a battery unit electrically connected to the PCB; and   a pressure detection unit, comprising a pressure transmission film assembled at the opening, a pressure sensor positioned in the enclosure, and a pressure collecting and processing circuit board electrically connected to the pressure sensor, wherein the pressure collecting and processing circuit board is connected to one of the PCBs through a flexible printed circuit.   
     
     
         2 . The medical capsule of  claim 1 , wherein the pressure transmission film comprises a pressure groove which is concavely formed from inside to outside and a pressure film which is arranged on the bottom surface of the pressure groove, and the pressure sensor is housed in the pressure groove and faces the pressure film. 
     
     
         3 . The medical capsule of  claim 1 , wherein the enclosure comprises a front enclosure and a middle enclosure adapted to each other, and a plurality of supporting legs are convexly fitted inside one end of the middle enclosure away from the front enclosure; and wherein the pressure collecting and processing circuit board is fixed on one side of the supporting legs away from the front enclosure, the pressure transmission film is assembled at one end of the middle enclosure away from the front enclosure, and the pressure sensor is positioned between the pressure transmission film and the pressure collecting and processing circuit board. 
     
     
         4 . The medical capsule of  claim 3 , wherein the periphery of the pressure collecting and processing circuit board is convexly fitted with fixing legs corresponding to the plurality of supporting legs one by one. 
     
     
         5 . The medical capsule of  claim 1 , wherein the enclosure comprises a front enclosure and a middle enclosure adapted to each other, and a fixing groove positioned at the joint of the front enclosure and the middle enclosure; and wherein
 the PCB group further comprises fixing structures for connecting two adjacent PCBs, and the edge of one of the fixing structures is fixed in the fixing groove to fix the PCB group in the enclosure.   
     
     
         6 . The medical capsule of  claim 5 , wherein the PCB group comprises an illumination circuit board, an image capturing and processing board, a power supply board and an antenna transceiver board which are sequentially arranged; and wherein the fixing structures comprise an illumination fixing structure, and the illumination circuit board is located in the illumination fixing structure; and
 wherein the image capturing and processing board is fixed on one side of the illumination fixing structure away from the front enclosure, and the edge of the illumination fixing structure is housed in the fixing groove.   
     
     
         7 . The medical capsule of  claim 6 , wherein the functional unit further comprises an illumination unit, a camera unit and an antenna, wherein the illumination unit is fixed on one side of the illumination circuit board facing the front enclosure, the camera unit is fixed on one side of the image capturing and processing board facing the front enclosure, the battery unit is electrically connected to the power supply board, and the antenna is fixed on the antenna transceiver board;
 and wherein the illumination fixing structure is annular, and the illumination circuit board is provided with a through hole for the camera unit to pass through towards the front enclosure.   
     
     
         8 . The medical capsule of  claim 6 , wherein the illumination fixing structure comprises an annular retaining wall, a retaining frame protruding outwards from a front end of part of the retaining wall, and a plurality of fixing clamps protruding inwards from the retaining wall to fix and limit the illumination circuit board, wherein an edge of the retaining frame is fixed in the fixing groove; and wherein
 the illumination circuit board is housed in a mounting groove formed by the surrounding of the retaining wall, and the image capturing, and processing board is fixed to one side of the retaining wall away from the front enclosure.   
     
     
         9 . The medical capsule of  claim 6 , wherein the battery unit is disposed between the power supply board and the antenna transceiver board, and the fixing structure further comprises battery fixing plates respectively located at the positive and negative electrodes of the battery unit, and the two battery fixing plates are fixedly connected to the power supply board and the antenna transceiver board respectively. 
     
     
         10 . The medical capsule of  claim 6 , wherein the battery unit comprises a plurality of batteries connected in series, battery connectors electrically connected between the adjacent batteries, and electrode connectors connected to the positive and negative ends of the battery unit, and the two electrode connectors are electrically connected to the power supply board and the antenna transceiver board respectively. 
     
     
         11 . The medical capsule of  claim 6 , further comprising a magnet unit disposed between the image capturing and processing board and the power supply board, wherein the magnet unit comprises a magnet and a magnet fixing cover sleeved on the magnet, and the magnet fixing cover is fixedly connected to the image capturing and processing board and the power supply board.